Never eat a mushroom unless you’re 100% sure it’s safe. Use multiple reliable sources (books, apps, or experts) for identification. Wear gloves when handling unknown mushrooms to avoid skin ...

Endorsed by Merlin Sheldrake no less, this is a colour-illustrated guide to hunting, identifying, growing, preparing and using micro- and macro-doses of psilocybin – aka “magic” - mushrooms.

As states like Colorado relax the rules on psilocybin, or magic mushrooms, more people are giving a trip a try, but researchers urge caution.